Home / 86,039.95-118,701.98-63,432.70

Finding the Fourth Proportional to 86,039.95, 118,701.98 and 63,432.70

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Solution

The fourth proportional to 86,039.95, 118,701.98 and 63,432.70 is: 87,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.95 : 118,701.98 = 63,432.70 : x
  2. Step 2: Convert to fraction form
    86,039.95/118,701.98 = 63,432.70/x
  3. Step 3: Cross multiply
    86,039.95x = 118,701.98 × 63,432.70
  4. Step 4: Simplify right side
    86,039.95x = 7,529,587,086.75
  5. Step 5: Solve for x
    x = 7,529,587,086.75/86,039.95
  6. Step 6: Final answer
    x = 87,512.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.